//		symbols, methods, and fields.
//
// # Print Go environment information
//
// Usage:
//
//	go env [-json] [-changed] [-u] [-w] [var ...]
//
// Env prints Go environment information.
//
// By default env prints information as a shell script
// (on Windows, a batch file). If one or more variable
// names is given as arguments, env prints the value of
// each named variable on its own line.
//

	if false { /* debug['a'] > 1 */
		fmt.Printf("span1 %s %d (%d tries)\n %.6x", s.Name, s.Size, n, 0)
		var i int
		for i = 0; i < len(s.P); i++ {
			fmt.Printf(" %.2x", s.P[i])
			if i%16 == 15 {
				fmt.Printf("\n  %.6x", uint(i+1))
			}
		}

		if i%16 != 0 {
			fmt.Printf("\n")
		}

		for i := 0; i < len(s.R); i++ {
			r := &s.R[i]

	Hard             bool     // whether the error is soft or hard; soft errors are ignored in some places
	alwaysPrintStack bool     // whether to always print the ImportStack
}

func (p *PackageError) Error() string {
	// TODO(#43696): decide when to print the stack or the position based on
	// the error type and whether the package is in the main module.
	// Document the rationale.

		// arg0 = destination pointer
		// arg1 = source pointer
		// arg2 = mem
		// auxint = # of bytes to copy, must be multiple of 16
		// returns memory
		{
			name:      "DUFFCOPY",
			aux:       "Int64",

(If (ConstBool [c]) yes no) && !c => (First no yes)

(Phi <t> nx:(Not x) ny:(Not y)) && nx.Uses == 1 && ny.Uses == 1 => (Not (Phi <t> x y))

// Get rid of Convert ops for pointer arithmetic on unsafe.Pointer.
(Convert (Add(64|32) (Convert ptr mem) off) mem) => (AddPtr ptr off)
(Convert (Convert ptr mem) mem) => ptr

// strength reduction of divide by a constant.

			want := test.exp.l
			if j == test.idx {
				want = test.exp.e
			} else if j > test.idx {
				want = test.exp.r
			}
			if test.fn(x) != want {
				fn := runtime.FuncForPC(reflect.ValueOf(test.fn).Pointer()).Name()
				t.Errorf("test failed: %v(%v) != %v [type=uint64 i=%v j=%v idx=%v]", fn, x, want, i, j, test.idx)
			}
		}
	}
	for i, test := range uint32_tests {
		for j, x := range uint32_vals {

	case 55: /* floating-point constant */
		var rf int
		o1 = 0xf<<25 | 1<<21 | 1<<12
		rf = c.chipfloat7(p.From.Val.(float64))
		if rf < 0 {
			c.ctxt.Diag("invalid floating-point immediate\n%v", p)
		}
		if p.As == AFMOVD {
			o1 |= 1 << 22
		}
		o1 |= (uint32(rf&0xff) << 13) | uint32(p.To.Reg&31)

	case 56: /* floating point compare */
		o1 = c.oprrr(p, p.As)

	callbackMutex.Unlock()

	// Pass the address of i because the C function was written to
	// take a pointer.  We could pass an int if we felt like
	// rewriting the C code.
	C.callback(unsafe.Pointer(&i))

	callbackMutex.Lock()
	delete(callbackFuncs, i)
	callbackMutex.Unlock()
}

//export goCallback
func goCallback(p unsafe.Pointer) {
	i := *(*int)(p)

	callbackMutex.Lock()
	f := callbackFuncs[i]
	callbackMutex.Unlock()

	case obj.TYPE_BRANCH:
		if a.Sym != nil && c.ctxt.Flag_dynlink && !pfxEnabled {
			return C_BRAPIC
		}
		return C_BRA
	}

	return C_GOK
}

func prasm(p *obj.Prog) {
	fmt.Printf("%v\n", p)
}

func (c *ctxt9) oplook(p *obj.Prog) *Optab {
	a1 := int(p.Optab)
	if a1 != 0 {
		return &optab[a1-1]
	}
	a1 = int(p.From.Class)
	if a1 == 0 {
		a1 = c.aclass(&p.From) + 1

		// so the object file may refer to the absolute directory
		// containing the package.
		fmt.Fprintf(h, "dir %s\n", p.Dir)
	}

	if p.Module != nil {
		fmt.Fprintf(h, "go %s\n", p.Module.GoVersion)
	}
	fmt.Fprintf(h, "goos %s goarch %s\n", cfg.Goos, cfg.Goarch)
	fmt.Fprintf(h, "import %q\n", p.ImportPath)